| 单词 | ankylosaurid |
| 释义 | ankylosaurid, a. and n. Palaeont.|ˌæŋkɪləʊˈsɔərɪd|
[f. ankylosaurus n. + -id3.]
A. adj. Of, pertaining to, or designating the family Ankylosauridae, which as now defined comprises ornithischian dinosaurs of Cretaceous times with body armour, four heavy limbs, a broad head, and a club at the end of the tail.
The family was formerly defined as including the present family Nodosauridae, whose members had narrow heads and no tail clubs.
1965Fieldiana: Geol. XV. i. 72 The osteologic affinities of Tatisaurus are to these primitive hypsilophodonts, although the dentition is particularized as ankylosaurid. 1969Sci. Jrnl. July 37/3 The Ornithischia were strongly diversified, represented by a numerous group of two-footed ornithopods and two four-footed groups; the horned dinosaurs and the ankylosaurid dinosaurs. 1985D. Norman Illustr. Encycl. Dinosaurs 167/1 Ankylosaurid nasal tubes follow an S-shaped course through the head.
B. n. An ankylosaurid dinosaur.
1978Nature 17 Aug. 663/1 During the Mid-Cretaceous and Late Cretaceous more groups of big ornithischians were added to the fauna..: parrot-beaked psittacosaurs, protoceratopsids, ceratopsids, ankylosaurids and the duck-bills (hadrosaurs). 1988M. Benton Dinosaurs 27/1 The tail club was an added protection against meat-eaters for the advanced ankylosaurids. |
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